1990/01/15 Caterpillar


Many Components That Were Previously Only Serviced As Complete Groups Now Have Serviceable Components {0374}

Usage:


Paving Products

Many component groups that were previously serviced only at the group level are now serviceable at the component level. The serviceable components are identified in the December 1989 Parts Book Microfiche for the applicable machine. The Parts Book Microfiche is updated each month and contains the most current parts information. The lists that follows indicates the machine and group part number that now contain serviceable components.

RR-250 (6ED) Road Reclaimers, SS-250 (6DD) Soil Stabilizers. The 7X7438 Hydraulic Pump Group (part of the hydrostatic propel group) has serviceable components.

PR-105 (5WC), PR-450 (7DC), PR-750B (8AC), PR-1000 (5XC) Pavement Profilers. The 8C0338 Hydraulic Brake Assembly (part of the hydraulic ground drive system) has serviceable components.

PR-750B (8AC), PR-1000 (5XC) Pavement Profilers. The 8C0880 Hydraulic Motor (drives the high pressure water wash pump) has serviceable components.

PR-450 (7DC), PR-750B (8AC), PR-1000 (5XC) Pavement Profilers. The 8T4037 Adjustable Sensor Mounting Assembly has serviceable components.

PR-105 (5WC1-201) Pavement Profilers. The 8C0388 Clutch Assembly (part of the cutter group) has serviceable components.

PR-105 (5WC1) Pavement Profilers. The 8C3904 Hydraulic Pump Group (drives the auxiliary front cutter) has serviceable components.

AP-800 (1BF225-Up) Asphalt Pavers. The 7R0197 Steering Valve (steering wheel connected to this valve) has serviceable components.

AP-800 (1BF) Asphalt Pavers. The 8C8000 Hydraulic Tow Point Cylinder (part of the main-frame assembly), 8C8001 Hydraulic Hopper Cylinder (part of the hopper assembly), and 8C8002 Hydraulic Steering Cylinder (part of the front suspension assembly) have serviceable components.

AP-800 (1BF), AP-1200 (2JD) Asphalt Pavers. The 8T7485 Linear Actuator (part of the power pack assembly) has serviceable components.

AP-1200 (2JD) Asphalt Pavers. The 8T5519 Auxiliary Hydraulic Pump Assembly (part of the power pack assembly) has serviceable components.

AP-1200 (2JD) Asphalt Pavers. The 8C0763 Hydraulic Steering Cylinder (part of the front suspension assembly) has serviceable components.

Caterpillar Information System:

1990/01/15 New Governor Control Cable Resists High Temperature And Is More Appropriate For Some Applications {1265}
1990/01/15 Information About Front Tire Wear And Drive Train Noise {4203,4231,4233,3000}
1989/12/25 New Fuel Return Valve Prevents Siphoning{1253,1274}
1989/12/25 New Cooling System Cleaner Now Available For All Engines{1350,0680,1352,1353}
1989/12/25 Do Not Use 1U5555 Hydraulic Hose Press Pump Group In 230 Volt Circuits{0616,5057}
1989/12/25 New Shaft Assembly Available For Cutter Drum{6601}
1989/12/25 Alternative Air Pressure Test Point{1804}
1989/12/25 Gaiter (Protector) Available For "Over-Hitch" Hoses{7167,5057}
1989/12/25 Components Of 9T1318 Steering Metering Pump Group Are Available For Parts Service{4312}
1989/12/25 New Thrust Discs Used In Transmission And Transfer Drive Groups{3060,3260}
1989/12/25 Electrical Connection Studs Are Too Long On Fuel Level Sensor{7481,1400}
1989/12/25 New Assembly Method For Track Links Makes It Easier To Install And Adjust{4169,4170}
1990/01/15 New Conveyor Drive Pump Increases Conveyor Speed {5620}
1990/01/15 Capability To Push A Nurse Or Additive Truck {5600,3060}
1990/01/15 Separate Service Manual Microfiche Library Available For Engines Only {1000,0374,0375}
1991/08/01 Timing Mark Identification On Fuel Pump Gear{1286,1251,1272}
1991/11/01 Parts Book Correction{5725}
1991/12/01 Test Harness For Calibrating 838141 Electronic Control Box{5485}
1991/12/01 RT80/RT100 Gearbox Lubrication{3000}
1991/12/01 Service Parts Available for 838440 Joystick Controller Group. Procedure to Recalibrate the Joystick{5485}
1991/12/01 Checking The 838440 Joystick Group{5485}
1992/06/01 Rolling Hose Pulley Modification Improves Hose Retention{6460}
1992/06/01 Improved Joystick Available For The RT80/RT100 Telescopic Material Handler{5700}
1994/07/08 Ensure Brake Hose Is Clear Of Engine Oil Pan{4257}
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